Civil Service Exam Reviewer · Measurement and Geometry · hard

A garden 12 m by 11 m is surrounded by a walkway 2 m wide. What is the area of the walkway?

  1. 108 m²
  2. 50 m²
  3. 92 m²
  4. 240 m²

Answer

A. 108 m²

Solution

Outer rectangle = 16 × 15 = 240 m². Minus garden 132 m² = 108 m².

More Measurement and Geometry questions

  1. A circle is inscribed in a square with sides of 38 cm. What is the area of the region inside the square but outside the circle? (π = 3.14)
  2. What is the volume of a cone with a radius of 12 cm and a height of 8 cm? (π = 3.14)
  3. A cylindrical water tank has a radius of 40 cm and a height of 180 cm. How many liters can it hold? (π = 3.14, 1 L = 1000 cm³)
  4. A window is shaped like a 12 dm × 4 dm rectangle topped by a semicircle whose diameter is the 4-dm side. What is the window's total area?…
  5. A runner moves at 23 m/s. How far in kilometers does she travel in 11 minutes?
  6. An open-top box (no lid) is 23 cm long, 18 cm wide and 6 cm high. What is the area of material used?
  7. A solid metal cube with 10-cm edges is dropped into a rectangular aquarium 44 cm long and 51 cm wide, fully submerging it. By how much…
  8. A rhombus has diagonals of 30 cm and 5 cm. What is its area?
  9. On a map with scale 1 cm : 250 m, a park occupies 7 cm². What is its actual area?
  10. A lot measures 10,650 m². If land sells for ₱2,000 per square meter, how much does the lot cost, and how many hectares is it?

All Measurement and Geometry questions